# A127533 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 2 4 17 5 100 6 506 7 2366 8 10556 9 45696 10 193800 11 810084 12 3350479 13 13748020 14 56071470 15 227613750 16 920540040 17 3711935040 18 14932102320 19 59951235420 20 240316859250 21 962056169256 22 3847193657076 23 15370712686252 24 61364157982952